21263538379818016

Names of 21263538379818016

• Cardinal: 21263538379818016 can be written as Twenty-one quadrillion, two hundred sixty-three trillion, five hundred thirty-eight billion, three hundred seventy-nine million, eight hundred eighteen thousand and sixteen.

Scientific notation

• Scientific notation: 2.1263538379818016 × 10¹⁶

Factors of 21263538379818016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2428986

Divisors of 21263538379818016

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 32 37 74 148 296 592 1184 2399 3089 4798 6178 9596 12356 19192 24712 38384 49424 76768 88763 98848 114293 177526 228586 355052 457172 710104 914344 1420208 1828688 2423459 2840416 3657376 4846918 7410511 9693836 14821022 19387672 29642044 38775344 59284088 77550688 89667983 118568176 179335966 237136352 274188907 358671932 548377814 717343864 1096755628 1434687728 2193511256 2869375456 4387022512 5813878141 7486064851 8774045024 11627756282 14972129702 23255512564 29944259404 46511025128 59888518808 93022050256 119777037616 186044100512 215113491217 239554075232 276984399487 430226982434 553968798974 860453964868 1107937597948 1720907929736 2215875195896 3441815859472 4431750391792 6883631718944 8863500783584 17959069577549 35918139155098 71836278310196 143672556620392 287345113240784 574690226481568 664485574369313 1328971148738626 2657942297477252 5315884594954504 10631769189909008 21263538379818016
• Sum of all divisors σ(n): 43025876187840000
• Sum of proper divisors (its aliquot sum) s(n): 21762337808021984
• 21263538379818016 is an abundant number, because the sum of its proper divisors (21762337808021984) is greater than itself. Its abundance is 498799428203968

Bases of 21263538379818016

• Binary: 1001011100010110001001101010011110011000000010000100000₂
• Hexadecimal: 0x4B8B1353CC0420
• Base-36: 5TDAMOF1VDS

Squares and roots of 21263538379818016

• 21263538379818016 squared (21263538379818016²) is 452138064429993776862941278176256
• 21263538379818016 cubed (21263538379818016³) is 9614055085983803603969079880698450355137652228096
• The square root of 21263538379818016 is 145820226.2370279551
• The cube root of 21263538379818016 is 277041.7223091715

Scales and comparisons

• 21,263,538,379,818,016 seconds is equal to 676,114,748 years, 1 week, 5 days, 22 hours, 20 minutes, 16 seconds.
• To count from 1 to 21,263,538,379,818,016 would take you about two billion, twenty-eight million, three hundred forty-four thousand, two hundred forty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21263538379818016 cubic inches would be around 23086.8 feet tall.

Recreational maths with 21263538379818016

• 21263538379818016 backwards is 61081897383536212
• The number of decimal digits it has is: 17
• The sum of 21263538379818016's digits is 73
• More coming soon!